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. Author manuscript; available in PMC: 2010 Mar 15.
Published in final edited form as: Bioorg Med Chem Lett. 2008 Dec 27;19(4):1258–1260. doi: 10.1016/j.bmcl.2008.12.090

Table 1.

Peptide libraries for PKA.

Entry Substrate Sequencesa
−4 −3 −2 −1 0 +1 +2 +3 +4
1 Ac L X R F S L 2Nal A A CONH2
2 Ac L R R X S L 2Nal A A CONH2
Result L R R G/A S L 2Nal A A
a

X = Asp, Lys, Val, Ala, Arg, Gly, His, Phe, Trp and Tyr.